Alrosa predicts that the Zapolyarnaya pipe in its Verkhne-Munskoye diamond deposit in west Yakutia may become one of its richest sources for large diamonds. During a week-long experiment conducted earlier this month, about 100,000 tons of ore from the Zapolyarnaya pipe was processed with the goal to establish the quality, color and clarity grades of […]

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Alrosa has found two substantial diamonds in the last week from its mines in Yakutia—one 110 cts., the other 75.31 cts. (pictured). Both rough diamonds are considered gem-quality octahedron crystals with small inclusions. One has a straw-yellow tint. The Russian diamond miner considers the diamonds “presents” for Alrosa’s 25th anniversary, as well as the 65th […]

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